Chennai's dedicated GST practice · GSTR-1 due 11th · GSTR-3B due 20th/22nd
Iyyappanthangal · PIN 600056

GSTR-1 & GSTR-3B Monthly Filing for Shops and Offices on Mariamman Koil Street, Iyyappanthangal

Professional GSTR-1 & GSTR-3B Monthly Filing for businesses in Iyyappanthangal, handled end to end by an experienced Chennai GST team. Transparent pricing from Rs.749, senior review on every filing, and updates on WhatsApp at each stage of the work.

We serve businesses on and around Mariamman Koil Street — document pickup, in-person consultation at our Porur office, or fully online over WhatsApp.

  • Handled by senior GST practitioners — 20 years in Chennai tax practice
  • Transparent fee: Rs.749/month onwards — full quote before we start
  • Same-day response on WhatsApp and phone (Mon-Sat: 9.00 AM - 8.00 PM)
  • Doorstep document pickup in Mariamman Koil Street, Iyyappanthangal
Rs.749/month onwardsProfessional fee
Filed before the 11th and 20th of every monthTypical timeline
20 yearsIn indirect tax practice
30 minCallback time

Get a Free GST Consultation

Share your number — a senior GST consultant calls you back within 30 minutes.

Type this number: ...

100% confidential. No spam. Mon-Sat: 9.00 AM - 8.00 PM

15+Years in GST & Tax Practice
1500+Chennai Businesses Served
50000+GST Returns Filed
24GST Services Handled In-House
Local Expertise

Trade Profile and GST Jurisdiction for Mariamman Koil Street, Iyyappanthangal

Iyyappanthangal sits on Mount Poonamallee Road beside its MTC bus depot, in the hospital shadow of the Porur medical belt, with pharmacies, diagnostic collection centres, supermarkets and apartment builders filling the frontage towards Kattupakkam and Mangadu. Builders selling under-construction flats at the 1 and 5 per cent rates without input tax credit, and pharmacies handling 5, 12 and 18 per cent medicine slabs, drive most GST queries. When businesses of this kind evaluate GSTR-1 & GSTR-3B Monthly Filing, the real question is not price alone but who answers when something goes wrong. We serve Iyyappanthangal, Porur and Kattupakkam on a standing commitment: responses within the same working day, senior scrutiny before every submission, and continued support if the department ever writes back on work carrying our preparation.

GST jurisdiction for Iyyappanthangal (PIN 600056): businesses here generally fall under the CGST Chennai Outer Commissionerate. We regularly represent clients from Iyyappanthangal before this jurisdiction for registrations, clarifications and notice hearings, and can confirm your exact division and range from your GSTIN. State-jurisdiction cases are handled with the Tamil Nadu Commercial Taxes Department.
GST for Restaurants and Cloud Kitchens in Iyyappanthangal
Restaurant service is taxed at 5 percent without input tax credit, so GST paid on rent, kitchen equipment and packaging is a cost your menu pricing must absorb. Orders routed through Swiggy or Zomato fall under Section 9(5), where the platform itself pays the tax, yet you must still disclose those supplies separately in GSTR-1, keeping direct billing and aggregator billing distinct. A cloud kitchen running several brands from one Iyyappanthangal address needs one registration with disciplined brand-wise invoicing, not separate GSTINs. A specialist splits the two order streams correctly every month and prevents double taxation of aggregator sales. Call +91 - 9600 606 444 to review your setup.
A GST-focused Chennai practice provides GSTR-1 & GSTR-3B Monthly Filing in Iyyappanthangal with senior review, reconciliation against portal data and written fee quotes from Rs.749, rather than template filings from anonymous online portals.
Why Us

Why Mariamman Koil Street, Iyyappanthangal Businesses Choose ChennaiGST

Not a bulk-filing portal. A senior consultant knows your file, your jurisdiction and your deadlines.

QRMP Managed Properly, Not Just Opted Into

Quarterly filing still demands monthly attention — IFF uploads so your buyers see their credit on time, and tax payment through PMT-06 by the 25th for the first two months of each quarter. We run that monthly rhythm so QRMP saves you effort without creating gaps.

Every Return Reviewed by a Senior Consultant

No filing leaves our desk on a junior's judgement alone. A senior GST practitioner reviews your figures, ITC claims and tax computation before submission, so errors are caught at our table and not by the department months later through a notice.

Cancelled GSTIN? We Handle Revocation Too

A registration cancelled for non-filing is not the end of the road. We bring the pending returns up to date, clear the dues and file the revocation application in REG-21 within the permitted window, restoring suspended and cancelled GSTINs to active status.

E-Commerce Seller Reconciliation, Including TCS

Sellers on Amazon, Flipkart and other marketplaces face a three-way match between marketplace reports, GSTR-1 and the TCS the operator deposits against your GSTIN. We reconcile all three every period and accept the TCS credit, so sellers in Iyyappanthangal never leave marketplace deductions unclaimed.

Reverse Charge Tracked, Not Forgotten

Freight paid to transporters, advocate fees, imported services and other notified supplies attract GST under reverse charge, with self-invoicing where the supplier is unregistered. We maintain a running RCM check every period, because this is the liability self-filers most consistently miss.

Refund and Export Experience That Shows

From filing the LUT in RFD-11 at the start of each financial year to preparing RFD-01 refund claims with complete annexures, we know what makes a refund file move. Exporters and inverted-duty businesses come to us specifically for this.

How It Works

Our Monthly Returns Process

Monthly data collection

At month end we remind you and collect sales invoices, purchase bills and credit notes in whatever format you maintain, including Excel, Tally exports or scanned copies.

GSTR-1 preparation and filing

We prepare invoice-wise outward supply details, validate GSTINs of your B2B customers, summarise B2C supplies and file GSTR-1 on the portal before the 11th.

ITC reconciliation with GSTR-2B

We download your auto-drafted GSTR-2B, match it against purchase records, and claim only eligible input tax credit so that mismatches do not trigger scrutiny notices later.

Tax computation and confirmation

We compute net tax payable after ITC set-off, share the working with you for approval, and generate the payment challan for any cash liability.

GSTR-3B filing and reporting

After your confirmation and tax payment, we file GSTR-3B before the 20th and send you both filed acknowledgements along with a one-page summary of the month.

Checklist

Documents Required for GSTR-1 & GSTR-3B Monthly Filing

Send these on WhatsApp (+91 - 9600 606 444) and we take it forward the same day.

Transparent Pricing

What GSTR-1 & GSTR-3B Monthly Filing Costs in Iyyappanthangal

Rs.749/month onwards

Timeline: Filed before the 11th and 20th of every month · No hidden charges · GST invoice provided

Rs.7,999/year

  • Invoice-level GSTR-1 preparation and filing by the 11th
  • GSTR-2B download and input tax credit reconciliation
  • GSTR-3B computation and filing by the 20th
  • Reverse charge liability identification and reporting
  • Challan preparation for tax payment
  • Filed return acknowledgements and monthly tax summary

Call +91 - 9600 606 444

Outcomes

What You Get

Practical outcomes our clients measure us by.

Reduced Dependence on One Employee

When GST knowledge lives inside a single staff member, their resignation becomes a compliance crisis. With our firm as the standing process, your filings continue uninterrupted regardless of internal staff changes.

Notices Answered Within the Time Limit

Statutory windows such as thirty days for an ASMT-11 reply are tracked from the day a notice arrives, so responses go in on time, complete, and with your best case properly presented.

Peace of Mind Around Due Dates

The 11th and the 20th stop being days of dread. You approve a prepared draft, we file, and the acknowledgement lands on your WhatsApp — month after month, without drama.

Export Benefits Fully Utilised

With the LUT filed at the start of each financial year and refund claims tracked to credit, exporters supply without blocking funds in IGST and recover accumulated credit on schedule.

Tax Paid Under the Right Head

Getting IGST versus CGST and SGST right at the invoice stage spares you the painful cycle of paying the correct head again and pursuing a refund of the amount paid under the wrong one.

Better Cash Flow Planning

You know your expected GST outflow days before the 20th, not on the night of filing. That advance visibility lets you plan payments, collections and bank balances instead of scrambling for funds at the deadline.

Why a Specialist Matters

With ChennaiGST vs Doing It Yourself

AspectWith ChennaiGSTDIY / Unattended
Due-date trackingA maintained compliance calendar with internal cut-offs days before the 11th and the 20th; we chase you for data, not the other way around.Deadlines remembered from memory or phone alarms; one busy week and the return slips past the due date.
Keeping up with changesRate changes, portal updates and new thresholds such as the Rs.5 crore e-invoice limit are tracked by us and applied to your case proactively.Changes are discovered after the fact — often through a rejected filing, a blocked e-way bill or a departmental letter.
Annual return preparationMonthly reconciliations roll naturally into GSTR-9, filed comfortably before 31 December with figures already agreed through the year.Twelve months of unmatched data reconstructed in December, with differences discovered too late to be corrected cleanly.
Record keepingEvery return, challan, acknowledgement and working paper archived in an organised folder, retrievable in minutes years later.Documents scattered across email, downloads and old phones; assembling records for a bank or an audit takes days.
Input tax creditPurchase register matched against GSTR-2B each period, with defaulting suppliers chased so eligible credit is actually captured.Credit claimed from books alone; mismatches with GSTR-2B mean lost credit or excess claims that invite departmental queries.
Supplier defaultsSuppliers who stop uploading invoices are identified within the period and pursued before their default becomes your blocked credit.Missing supplier invoices surface only when credit is denied, by which time recovering the amount from the vendor is difficult.
GST Law Desk

Recent GST Law You Should Know — relevant to Iyyappanthangal businesses

Real notifications, rulings and case law our consultants track — and apply to client filings and notice replies.

Case Law

Supreme Court restricts rejection of declared import value without recorded reasons

Century Metal Recycling (P) Ltd v. Union of India — Supreme Court, 2019 (367) ELT 3 (SC), judgment dated 17-05-2019 · 2019-05-17

The Supreme Court held that the transaction value declared by an importer must ordinarily be accepted. Before rejecting it, the proper officer must have a reasonable doubt based on certain material and specific reasons, must communicate those grounds to the importer, and must give an opportunity to explain. A mere suspicion, or reliance on price data without disclosure, is not sufficient to displace the declared value.

How we apply it: A Chennai importer facing enhancement of assessable value should insist on written reasons and the comparable data relied upon before accepting any revision.

Portal Advisory

Negative liability in GSTR-4 for composition dealers and how it was corrected

GSTN Advisory, 2021 — negative liability appearing in Form GSTR-4 filed by composition taxpayers · 2021

Composition taxpayers who left Table 6 of the annual return GSTR-4 blank found that the tax already paid through Form CMP-08 was treated as an excess payment, creating a negative liability that was then adjusted against later quarters. GSTN clarified that outward supply and reverse charge figures must be entered in Table 6 even though the tax has already been paid, and arranged for wrongly created negative balances to be reversed.

Practical effect: Composition dealers in Chennai must complete Table 6 of GSTR-4 each year, or the portal will show a false credit and later recover it.

AAR Ruling

Ready to cook idli, dosa and porridge mixes taxable at 18 percent

Krishna Bhavan Foods and Sweets - AAR Tamil Nadu, Order No. TN/24/AAR/2021, dated 18 June 2021, upheld by AAAR Tamil Nadu, Order No. TN/AAAR/02/2022, dated 13 January 2022 · 2021-06-18

The applicant sold packaged ready to cook instant mixes for dosai, idli, tiffin items, sweets, health mix and porridge. It argued that these were only flours of cereals and pulses taxable at 5 percent. The Authority classified the products under heading 2106 90 as food preparations not elsewhere specified, attracting 18 percent GST, because the mixing and added ingredients took them out of the concessional flour entries. The Appellate Authority upheld that classification.

Why this matters: Chennai food manufacturers selling instant mixes should confirm whether the product is a plain flour or a preparation before applying 5 percent.

References are provided for general information. Verify the current position on gst.gov.in or cbic.gov.in before acting.

FAQs

Frequently Asked Questions

Straight answers from practising GST consultants — based on the CGST Act, current CBIC notifications and day-to-day portal experience.

Do you provide GSTR-1 & GSTR-3B monthly filing for businesses on Mariamman Koil Street?
Yes. We serve businesses on and around Mariamman Koil Street in Iyyappanthangal — shops, offices, godowns and home-run businesses alike. Document pickup can be arranged at your premises, or you can send everything on WhatsApp and complete monthly returns without leaving your counter. Call +91 - 9600 606 444 and mention your location; a consultant will confirm the fee and timeline immediately.
Which GST office handles Iyyappanthangal businesses?
Businesses in Iyyappanthangal (PIN 600056) generally fall under the CGST Chennai Outer Commissionerate, with state-jurisdiction cases handled by the Tamil Nadu Commercial Taxes Department. Your exact division and range can be confirmed from your GSTIN on the GST portal. We regularly appear before this jurisdiction for registrations, clarifications and hearings, so we know the local practice and documentation preferences.
My workshop bills customers for spare parts and labour together. How should GST be charged?
The accepted practice, supported by CBIC's clarification on servicing, is that where the invoice separately shows the value of parts and the value of labour, each takes its own treatment: parts as a supply of goods and repair labour as a service at 18%. Since auto components also moved to 18% from September 2025, both lines of a typical job card now carry the same rate, which removes the old temptation to shift value between parts and labour. Still keep the split, because HSN and SAC reporting in GSTR-1 differ for goods and services. Workshops can call +91 - 9600 606 444 for invoice-format templates.
What is the due date for GSTR-3B in Tamil Nadu?
For monthly filers, GSTR-3B is due on the 20th of the following month. If you are registered in Tamil Nadu and have opted for the QRMP scheme, your quarterly GSTR-3B is due on the 22nd of the month following the quarter. GSTR-3B is the summary return through which you actually pay tax, so missing it attracts a late fee of Rs.50 per day (Rs.20 for nil returns) plus interest at 18 percent per annum on tax paid late.
Can I issue a single credit note against several invoices?
Yes. Since the amendment to Section 34 by the CGST (Amendment) Act, 2018, effective 1 February 2019, the law permits one or more credit notes to be issued against one or more tax invoices of a financial year. A distributor giving a season-end adjustment to a retailer can therefore issue one consolidated credit note covering dozens of invoices, rather than one note per bill. When reporting it in GSTR-1, the portal accepts credit notes without invoice-wise linking for this reason. Maintain a working annexed to the credit note listing the invoices covered, because in scrutiny the officer will ask you to establish the linkage and the arithmetic.
I made a mistake in GSTR-3B. Can I revise it?
No, GSTR-3B cannot be revised once filed. The GST law allows corrections only through adjustments in the returns of subsequent tax periods. If you under-reported tax, pay the difference with 18 percent interest in the next GSTR-3B or through Form DRC-03. If you over-reported, adjust it in a later month within the time limits allowed. Errors in GSTR-1 can be amended in the following period's return. Because corrections have deadlines, it is best to have the error reviewed quickly; our team in Iyyappanthangal can assess it the same day.
Can my company claim ITC on GST paid to a contractor building our new office?
Generally no. Section 17(5) blocks input tax credit on works contract services and on goods or services used for construction of immovable property on your own account, even when the building is used for business. The exception is plant and machinery, so credit on GST paid for installing machinery, equipment or apparatus fixed to earth remains available. The block does not apply within the construction chain itself: a sub-contractor's works contract service supplied to the main contractor is creditable for the main contractor, since it is used for an onward works contract supply. Classifying civil costs correctly during a project saves disputes at audit.
I generate e-invoices. Do I still have to prepare GSTR-1 separately?
If your aggregate turnover exceeds Rs.5 crore, e-invoicing is mandatory and the invoice details reported to the Invoice Registration Portal auto-populate into your GSTR-1. However, auto-population is not a substitute for review. B2C sales, exports without IRN issues, credit notes, amendments and advances still need to be verified or added manually before submission. We review the auto-drafted GSTR-1 against your books each month so that what is filed matches your accounts exactly. If you have just crossed the Rs.5 crore threshold, call +91 - 9600 606 444 and we will set up e-invoicing correctly.
How and when can I opt in or out of the QRMP scheme?
The option is exercised on the GST portal under Services, Returns, Opt-in for Quarterly Return. The window for any quarter runs from the first day of the second month of the preceding quarter to the last day of the first month of the quarter you are opting for. For example, to be under QRMP for July to September, opt in between 1 May and 31 July. Once chosen, the option continues for future quarters until you change it or your turnover crosses Rs.5 crore. We handle the opt-in for clients at no extra charge.
Why is my nil return SMS to 14409 not working?
SMS filing fails for a few common reasons. The message must come from the exact mobile number registered against an authorised signatory on the GST portal, the format must match precisely with single spaces, and all returns for earlier periods must already be filed since GST returns are sequential. It also fails if the return is not truly nil, for instance if an amendment or credit note is pending to be reported. If one number is registered for multiple GSTINs, each needs its own SMS. We can diagnose the exact reason and file it online instead.
Should I choose QRMP or continue monthly filing?
It depends on your customer profile. QRMP means fewer returns and suits businesses selling mainly to consumers or unregistered buyers. However, if most customers are registered businesses, monthly GSTR-1 (or disciplined use of IFF) gets them input tax credit faster, which many corporate buyers insist on. Cash flow also matters: under QRMP you still pay monthly via PMT-06, so there is no tax deferral, only compliance simplification. We review turnover, buyer mix and working capital before recommending either route to businesses in Iyyappanthangal. A short call on +91 - 9600 606 444 is enough to decide.
How many digits of the HSN code must I print on my tax invoices?
Under Notification 78/2020 Central Tax, taxpayers with aggregate turnover up to Rs.5 crore in the preceding financial year must mention a 4-digit HSN code on all B2B tax invoices, though it is optional on B2C invoices. Taxpayers with turnover above Rs.5 crore must mention 6-digit HSN codes on every invoice, including B2C. Eight digits are required for specified goods such as certain chemicals and for export documentation. Services follow the same rule using SAC codes, which begin with 99. Printing truncated or wrong codes on invoices creates mismatches later, so set the codes correctly in your billing software once.
What is the place of supply for freight and courier charges on goods?
For transportation of goods, including by courier, Section 12(8) fixes the place of supply as the location of the recipient where the recipient is registered. Where the recipient is unregistered, it is the location where the goods are handed over for transportation. So a registered Iyyappanthangal manufacturer paying a transporter for a Chennai-to-Delhi movement has Tamil Nadu as the place of supply, and the RCM liability is paid as CGST plus SGST if the transporter is also in Tamil Nadu. This rule matters chiefly for paying reverse charge on GTA freight under the correct heads, because paying IGST where CGST and SGST were due creates a refund-and-repay exercise later.
How do I decide whether to charge CGST plus SGST or IGST on an invoice?
Compare two data points: the location of the supplier and the place of supply determined under the IGST Act. If both fall in the same state, the supply is intra-state and you charge CGST plus SGST; if they fall in different states, it is inter-state and you charge IGST. The buyer's billing address alone is not the test; the place of supply rules for the specific goods or service govern. Common traps include hotel stays, property-linked services and bill-to ship-to chains, where the place of supply departs from the customer's address. Configuring these rules in your billing software saves Iyyappanthangal businesses repeated corrections; call +91 - 9600 606 444 for a setup review.
Is GST still charged on life and health insurance premiums?
No. With effect from 22 September 2025, premiums on all individual life insurance policies, including term plans, endowment plans and ULIPs, and all individual health insurance policies, including family floater and senior citizen plans, are exempt from GST. Reinsurance of these policies is also exempt. Earlier these premiums bore 18 percent tax. Note that the exemption applies to policies taken by individuals; certain group covers procured by businesses can still attract GST, and insurers can no longer claim input credit attributable to exempt policies. Policyholders should see the benefit directly in renewal notices.
Should I claim a refund of my accumulated ITC or just carry it forward?
Carry-forward suits businesses whose future output tax will absorb the credit within a few months, since it avoids refund paperwork. A refund makes sense when the credit keeps growing and will never be absorbed, which is typical for exporters under LUT and businesses with inverted duty structure, because idle credit is interest-free money locked with the government. Remember that refunds are only available in categories permitted by Section 54; ordinary accumulated credit from slow sales cannot be refunded. A quick review of your credit ledger trend over six months usually makes the right answer obvious.
My shop's landlord in Iyyappanthangal is not GST registered. Do I pay GST on the rent myself?
Yes, if you are registered. With effect from 10 October 2024, renting of any immovable property other than a residential dwelling by an unregistered person to a registered person was notified under reverse charge, so a registered tenant must pay 18 percent on the rent in cash through GSTR-3B and can claim ITC subject to the usual conditions. Composition taxpayers were subsequently excluded from this entry with effect from 16 January 2025. You must also raise a monthly self-invoice since the landlord is unregistered. Many shop and godown tenants in Iyyappanthangal remain unaware of this recent entry; call +91 - 9600 606 444 to regularise past months.
Is GST payable under reverse charge on payments made to our company directors?
It depends on the capacity in which the director is paid. CBIC Circular 140/10/2020 settles the position: remuneration to a whole-time or executive director who is an employee, paid as salary with TDS under Section 192, is outside GST entirely as an employer-employee transaction. In contrast, sitting fees, commission and professional charges paid to independent or non-executive directors, typically suffering TDS under Section 194J, are taxable and the company pays 18 percent under reverse charge, claiming ITC. Companies in Iyyappanthangal should split their director payments ledger accordingly, issue self-invoices for the RCM portion, and keep board resolutions and TDS treatment consistent as supporting evidence.
Are there any hidden charges for GSTR-1 & GSTR-3B monthly filing?
No. The fee quoted before we start is the fee you pay. Government fees, portal charges or statutory late fees, where they apply, are separate and disclosed to you in advance with the exact amount. We issue a proper GST invoice for our professional fee. If the scope of work changes — for example, an unexpected notice or additional periods — we tell you the revised fee before doing anything further.
How long does GSTR-1 & GSTR-3B monthly filing take in Iyyappanthangal?
Filed before the 11th and 20th of every month. That assumes your documents are complete and there is no departmental query. We start the same day we receive your papers and tell you the realistic completion date upfront rather than an optimistic one. Where the GST portal or the officer causes delay — clarifications, physical verification or system issues — we track it daily and keep you informed on WhatsApp.
Do you provide gst return filing for small businesses and proprietorships in Iyyappanthangal?
Yes. A large share of our clients in Iyyappanthangal are proprietors, small traders, shop owners, freelancers and family businesses rather than large companies. The fee of Rs.749/month and the process are the same regardless of size, and we explain the compliance position in plain language — in Tamil or English — so you understand what is being filed on your behalf and why.
Explore

Related GST Services & Nearby Areas

Ready to Sort Out Your GST?

Businesses across Iyyappanthangal trust us with GSTR-1 & GSTR-3B Monthly Filing. Join them — call +91 - 9600 606 444.

Call +91 - 9600 606 444   WhatsApp Us
💬
Request a Call BackWe call within 30 minutes

Mon-Sat: 9.00 AM - 8.00 PM · Sunday: WhatsApp support only